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Pesticide-Sampling Equipment, Sample-Collection and Processing Procedures, and Water-Quality Data at Chicod Creek, North Carolina, 1992

Open-File Report 94-50
By Tammy K. Manning, Kelly E. Smith, Carton D. Wood, and Janie B. Williams

Full Report (PDF, 39 pages, 4.2 Mb)

Abstract

Water-quality samples were collected from Chicod Creek in the Coastal Plain Province of North Carolina during the summer of 1992 as part of the U.S. Geological Survey's National Water-Quality Assessment Program. Chicod Creek is in the Albemarle-Pamlico drainage area, one of four study units designated to test equipment and procedures for collecting and processing samples for the solid-phase extraction of selected pesticides, The equipment and procedures were used to isolate 47 pesticides, including organonitrogen, carbamate, organochlorine, organophosphate, and other compounds, targeted to be analyzed by gas chromatography/mass spectrometry.

Sample-collection and processing equipment equipment cleaning and set-up procedures, methods pertaining to collecting, splitting, and solid-phase extraction of samples, and water-quality data resulting from the field test are presented in this report Most problems encountered during this intensive sampling exercise were operational difficulties relating to equipment used to process samples.

Manning, T.K., Smith, K.E., Wood, C.D., and Williams, J.B., 1994, Pesticide-sampling equipment, sample-collection and processing procedures, and water-quality data at Chicod Creek, North Carolina, 1992: U.S. Geological Survey Open-File Report 94-50, 35 p.